# 4% of 5200 = 8% of which number?

9. 4 percent of 5 200 is equal to 8 percent of what number?

1. 10 400
2. 2 600
3. 416
4. 208
5. 46

4% of 5 200 is the same as $0.04\cdot5\,200$, so we can set:$0.04\cdot5\,200=0.08x$Solve for $x$ \begin{align}208&=0.08x\\\frac{208}{0.08}&=x\\x&=2\,600\end{align}